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WO2018197264A1 - Tambour de frein ainsi que procédé permettant de fabriquer un tambour de frein de ce type - Google Patents

Tambour de frein ainsi que procédé permettant de fabriquer un tambour de frein de ce type Download PDF

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Publication number
WO2018197264A1
WO2018197264A1 PCT/EP2018/059761 EP2018059761W WO2018197264A1 WO 2018197264 A1 WO2018197264 A1 WO 2018197264A1 EP 2018059761 W EP2018059761 W EP 2018059761W WO 2018197264 A1 WO2018197264 A1 WO 2018197264A1
Authority
WO
WIPO (PCT)
Prior art keywords
grooves
brake drum
friction ring
section
vehicle according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2018/059761
Other languages
German (de)
English (en)
Inventor
Leander Schramm
Christian Klimesch
Herbert MÖDING
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KS Huayu Alutech GmbH
Original Assignee
KS Huayu Alutech GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KS Huayu Alutech GmbH filed Critical KS Huayu Alutech GmbH
Priority to MX2019012190A priority Critical patent/MX2019012190A/es
Priority to CN201880025035.7A priority patent/CN110637172B/zh
Priority to EP18720541.4A priority patent/EP3615832B1/fr
Priority to US16/607,363 priority patent/US11149812B2/en
Priority to RU2019134066A priority patent/RU2729842C1/ru
Publication of WO2018197264A1 publication Critical patent/WO2018197264A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/10—Drums for externally- or internally-engaging brakes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/04—Attachment of linings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D2065/13—Parts or details of discs or drums
    • F16D2065/1304—Structure
    • F16D2065/132—Structure layered
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D2065/13—Parts or details of discs or drums
    • F16D2065/1304—Structure
    • F16D2065/1324—Structure carrying friction elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D2065/13—Parts or details of discs or drums
    • F16D2065/134—Connection
    • F16D2065/1344—Connection permanent, e.g. by casting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/04—Attachment of linings
    • F16D2069/0425—Attachment methods or devices
    • F16D2069/0441—Mechanical interlocking, e.g. roughened lining carrier, mating profiles on friction material and lining carrier
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00—Materials; Production methods therefor
    • F16D2200/0004—Materials; Production methods therefor metallic
    • F16D2200/0008—Ferro
    • F16D2200/0013—Cast iron
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00—Materials; Production methods therefor
    • F16D2200/0004—Materials; Production methods therefor metallic
    • F16D2200/0008—Ferro
    • F16D2200/0021—Steel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00—Materials; Production methods therefor
    • F16D2200/0004—Materials; Production methods therefor metallic
    • F16D2200/0026—Non-ferro
    • F16D2200/003—Light metals, e.g. aluminium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00—Materials; Production methods therefor
    • F16D2200/0034—Materials; Production methods therefor non-metallic
    • F16D2200/0039—Ceramics
    • F16D2200/0047—Ceramic composite, e.g. C/C composite infiltrated with Si or B, or ceramic matrix infiltrated with metal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00—Materials; Production methods therefor
    • F16D2200/0082—Production methods therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2250/00—Manufacturing; Assembly
    • F16D2250/0007—Casting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2250/00—Manufacturing; Assembly
    • F16D2250/0038—Surface treatment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2250/00—Manufacturing; Assembly
    • F16D2250/0038—Surface treatment
    • F16D2250/0046—Coating

Definitions

  • the invention relates to a brake drum for a vehicle having a friction ring, which has grooves extending along its circumference at its radial outer surface and a coating is formed on the radial outer surface thereof and a drum body which is cast on the radial outer surface of the friction ring, so that the grooves are filled with the material of the drum body, and a method for producing such a brake drum in which a friction ring of gray iron, steel, a metal matrix composite material or a heavy metal alloy is poured, then the radial outer surface of the friction ring for introducing grooves mechanically whereupon the machined outer surface is coated with zinc or a zinc-based alloy, nickel or an aluminum-based alloy and finally a drum body of an aluminum-silicon alloy or an aluminum-magnesium alloy to the radial outer surface of the friction is poured around.
  • Brake drums for both motor vehicles and rail vehicles but also for two-wheelers are well known and are described in a variety of applications.
  • a brake shoe engages in frictional contact with a friction surface of the brake drum, which is usually formed on a radial inner surface.
  • the usual brake drums are usually cast from gray iron or iron, since high strength, stiffness and heat conduction is required due to the high forces occurring during braking.
  • brake drums were proposed made of a light metal, which have a friction body that absorbs the forces occurring and has sufficient resistance to wear and dimensional stability.
  • a brake drum is disclosed in DE 197 23 036 B4, the drum body is made of a light metal and is positively connected to a friction ring, wherein the positive engagement has undercuts.
  • the connection between the two bodies is made by pouring the friction ring into the body. When heated during operation or by shrinkage after casting a different expansion of the two parts, which can lead to relative movements of the two components to each other and thus to release.
  • DE 10 2010 055 162 A1 discloses a sprue component which, for example, is a friction ring for a brake drum.
  • This friction ring can first be roughened by machining and then provided with a galvanically applied coating of nickel before the drum body is cast on the friction ring.
  • the coating significantly improves the metallic adhesion of the drum body to the friction ring. Nevertheless, a release due to the attacking forces can not be reliably prevented.
  • This object is achieved by a brake drum with the features of claim 1 and a method for producing such a brake drum with the features of claim 13.
  • a first axial portion is formed, in which the grooves are formed inclined to the nearest first axial end of the friction ring and a second axial portion is formed, in which the grooves are formed inclined to the first portion opposite direction, wherein the Considering grooves in the radial direction undercuts, it is achieved that in the different shrinkage by the different coefficients of expansion of the materials used after casting a firm connection between the drum body and the friction ring remains, since the resulting Aufschrumpf mechanism on the friction ring at the axial ends act in the opposite direction, can be absorbed by the inclined grooves in both directions of action. In addition, a mechanical clamping is made by the undercuts.
  • the angle of inclination of the grooves to the center axis of the friction ring in the first section decreases with decreasing distance to the nearest first axial end and the angle of inclination of the grooves in the second section with decreasing distance to opposite second axial end. It has been found that substantially only radially acting contraction forces occur at about the middle of the friction ring, while an axial portion of these contraction forces grow toward the axial ends of the friction ring. Due to the there ever more steeply set flanks of the grooves whose extension direction substantially corresponds to the direction of the resulting on-shrinking force at each position, whereby these Au fsch rümpf forces is optimally absorbed by the structure, which significantly increases the bond strength.
  • the friction ring has a third portion in which no grooves are formed and which extends from the second portion to the opposite second axial end. Such an embodiment restricts the machining area to the area loaded during operation, thereby reducing machining costs.
  • the grooves extend in the circumferential direction and have a depth of 0.03 to 2 mm. This depth is sufficient to ensure a reliable connection without incurring excessive processing costs. Furthermore, at this groove depth a reliable filling of the grooves is maintained even when using undercuts.
  • the grooves in the first section are arranged in opposite directions to the grooves in the second section and adjacent grooves are arranged at a constant distance from each other axially one behind the other. Good results are achieved when the grooves have an opening angle between the two limiting flanks of 20 ° to 40 °. In this area, both a complete filling of the grooves and a good workability is given.
  • the grooves have an angle of inclination between the central axis and the leading flank of the groove of 20 ° to 60 °, which substantially corresponds to the force acting directions of the shaft forces. These inclination angles are suitable for filling the grooves also for a sprue with lower casting pressure, such as in gravity or low pressure casting.
  • the friction ring is made of gray cast iron, steel, a metal-matrix composite material or a heavy metal alloy, and the drum body is made of an aluminum-silicon or an aluminum-magnesium alloy.
  • the friction ring has sufficient thermal capacity and low abrasion during braking operation, while the light metal alloys have a low weight and good castability.
  • the alloy of the drum body should advantageously have a nickel content and a copper content of less than 0.05 wt.%, which significantly improves the corrosion behavior of the material.
  • the coating has a layer thickness of 0.01 mm to 0.8 mm and consists of zinc, a zinc-based alloy, nickel or an aluminum-based alloy.
  • the coating is preferably applied by thermal spraying, galvanic processes or by galvanizing. By these coatings each metallurgical bond of the gray cast iron or steel friction ring to the aluminum alloy of the drum body is significantly improved.
  • the radial outer surface of the friction ring is previously blasted or chemically treated.
  • An improvement in the bond of a plated coating is also produced when a nickel layer is applied to the outer surface prior to electroplating.
  • the figure shows schematically a side view of a brake drum in a sectional view.
  • the brake drum shown in the figure consists of a friction ring 10, to which a drum body 12 is cast.
  • the friction ring 10 is first cast from gray cast iron, steel, a metal-matrix composite material or a heavy metal alloy and serves later in use as a friction surface for braking a motor vehicle, so that an increased friction and heat load of the friction ring 10 is present.
  • the friction ring 10 must have a high bond strength to the molded drum body 12 made of an aluminum silicon or an aluminum-magnesium alloy and cast on the friction ring 10 by a die-casting method.
  • the material of the drum body 12 has a high thermal conductivity for improved heat dissipation from the brake drum and a low specific weight in order to save on the vehicle fuel during operation.
  • the friction ring 10 is first machined mechanically on its radial outer surface 14.
  • grooves 16, 18 are cut into the radial outer surface, which have a groove depth of about 0.03 to 2 mm. These are inventively formed differently in two different sections 20, 22 of the friction ring 10. In the first axial portion 20, these grooves 16 are formed inclined to the nearest first axial end 24 and have radial undercuts 26.
  • the groove flanks 28, 30 laterally bounding the grooves 16 are a vector along a central axis X of the friction ring 10 facing the first axial end 24 or a tangent along the cast unprocessed radial outer surface of the friction ring 10 Inclination angle ⁇ of less than 90 °.
  • the grooves 18 are formed inclined in the opposite direction and also have radial undercuts 32.
  • the grooves 16, 18 are each designed as thread grooves, but could also be designed as individual grooves that extend in the radial direction.
  • the embodiment shows a particularly advantageous embodiment of these grooves, 16, 18, for these had a changing over the height of the friction ring 10 inclination angle a. This decreases in the first section 20 with decreasing distance to the nearest first axial end 24, while increasing in the second axial section 22 with increasing distance to the first axial end or in other words in the second axial section 22 relative to a vector, the second opposite axial end 38 points, with decreasing distance to this opposite second axial end 38 also decreases.
  • This change in inclination angle preferably takes place as a function of the coefficients of thermal expansion of the two materials used in such a way that the shrinkage forces which arise during cooling after casting, which have both an axial component and a radial component, are as far as possible at the same angle to the central axis X, as the grooves 16, 18, if one defines the direction through the bisecting line between the respective tangents to the groove flanks 28, 30, 34, 36 of a groove 16, 18.
  • the vector of the resulting Aufschrumpfkraft is also in accordance with the edge at the axial ends a Include significantly smaller angle to the central axis X than in the central region in which the Aufschrumpfkraft acts exclusively radially.
  • the angle of inclination ⁇ of the leading edge 28, 34 should decrease from approximately 60 ° to approximately 20 ° relative to the respective ends from the central region to the respective ends ,
  • the opening angle between the flanks 28, 30, 34, 36 is about 30 °.
  • This design of the grooves 16, 18 causes a very high bond strength between the friction ring 10 and the drum body 12.
  • the friction ring 10 is body at its radially outer surface 14 before casting the drum still coated.
  • This coating 40 has a thickness of 0.01 to 8 mm and is produced by either thermal spraying or electroplating of an aluminum base alloy.
  • the surface can also be galvanized, for example by hot-dip galvanizing in a bath of a zinc or zinc base alloy. If the thermal spraying method is used, surface activation by blasting or chemical processes may be performed beforehand. In the case of galvanic coating, a pretreatment by etching, pickling or a layer application with an electrolyte, optionally with an additional nickel adhesion layer, is recommended.
  • the drum body 12 can now be cast on the friction ring 10, in particular by die-casting. This allows a very good filling of the grooves with the casting material, which should preferably not contain copper or nickel in order to avoid corrosion.
  • the slopes of the leading and trailing flanks 28, 30, 34, 36 should be about the same and the tread depth to be adjusted to still ensure a filling of the grooves possible without air pockets.
  • a brake drum produced in this way has an excellent mechanical and metallurgical bond between the drum body and the friction ring. In addition, unwanted corrosion processes are avoided and a very good heat dissipation ensured. Furthermore, a brake drum produced by means of the method according to the invention has a low weight with a long service life and good braking performance.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

L'invention concerne un tambour de frein pour un véhicule, comprenant une couronne (10) qui comprend, sur sa surface extérieure radiale (14), des rainures (16, 18) s'étendant le long de la périphérie et sur la surface extérieure radiale (14) de laquelle est réalisé un revêtement (40), et un corps de tambour (12) venu de fonte avec la surface extérieure radiale de la couronne (10), de telle sorte que les rainures (16, 18) soient remplies de la matière du corps de tambour (12). Une première partie axiale (20) est formée sur la couronne (10), première partie axiale dans laquelle les rainures (16) sont ménagées de manière inclinée par rapport à la première extrémité axiale (24), la plus proche, de la couronne (10). Une deuxième partie axiale (22) est formée sur la couronne, deuxième partie axiale dans laquelle les rainures (18) sont ménagées de manière inclinée de façon opposée à la première partie (20). Les rainures (16, 18) comprennent des contre-dépouilles (26, 32), vues dans la direction radiale.
PCT/EP2018/059761 2017-04-27 2018-04-17 Tambour de frein ainsi que procédé permettant de fabriquer un tambour de frein de ce type Ceased WO2018197264A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
MX2019012190A MX2019012190A (es) 2017-04-27 2018-04-17 Tambor de freno, asi como procedimiento para la fabricacion de un tambor de freno de este tipo.
CN201880025035.7A CN110637172B (zh) 2017-04-27 2018-04-17 制动鼓和制造这种制动鼓的方法
EP18720541.4A EP3615832B1 (fr) 2017-04-27 2018-04-17 Tambour de frein ainsi que procédé permettant de fabriquer un tambour de frein de ce type
US16/607,363 US11149812B2 (en) 2017-04-27 2018-04-17 Brake drum and method for producing such a brake drum
RU2019134066A RU2729842C1 (ru) 2017-04-27 2018-04-17 Тормозной барабан и способ изготовления такого тормозного барабана

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017109059.2 2017-04-27
DE102017109059.2A DE102017109059A1 (de) 2017-04-27 2017-04-27 Bremstrommel sowie Verfahren zur Herstellung einer derartigen Bremstrommel

Publications (1)

Publication Number Publication Date
WO2018197264A1 true WO2018197264A1 (fr) 2018-11-01

Family

ID=62063498

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/059761 Ceased WO2018197264A1 (fr) 2017-04-27 2018-04-17 Tambour de frein ainsi que procédé permettant de fabriquer un tambour de frein de ce type

Country Status (7)

Country Link
US (1) US11149812B2 (fr)
EP (1) EP3615832B1 (fr)
CN (1) CN110637172B (fr)
DE (1) DE102017109059A1 (fr)
MX (1) MX2019012190A (fr)
RU (1) RU2729842C1 (fr)
WO (1) WO2018197264A1 (fr)

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Publication number Priority date Publication date Assignee Title
ES2969345T3 (es) * 2021-08-06 2024-05-17 Edertek S Coop Tambor y freno de tambor para vehículos
CN114033818B (zh) * 2021-10-15 2023-12-26 陕西汉德车桥有限公司 一种新型制动鼓
KR102849093B1 (ko) * 2023-05-02 2025-08-25 명화공업주식회사 브레이크 드럼
DE102023132291A1 (de) * 2023-11-20 2025-05-22 Mahle International Gmbh Bremstrommel für eine Trommelbremse, Verfahren zur Herstellung der Bremstrommel sowie Verwendung der Bremstrommel in einer Trommelbremse

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GB866880A (en) * 1958-12-29 1961-05-03 Kelsey Hayes Co Improvements in or relating to brake drums and method of making same
US20060027429A1 (en) * 2004-08-04 2006-02-09 Donn Knight Composite brake drum
DE19723036B4 (de) 1996-06-13 2007-04-12 Volkswagen Ag Bremstrommel
DE102010055162A1 (de) 2010-12-18 2012-06-21 Mahle International Gmbh Beschichtung sowie beschichtetes Eingussbauteil
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CA2410685C (fr) 2000-05-29 2010-03-23 Honda Giken Kogyo Kabushiki Kaisha Tambour de frein et procede de production de ce tambour
CN2736596Y (zh) * 2004-10-15 2005-10-26 杨东洲 强制散热汽车制动鼓
DE102005016338B4 (de) 2005-04-09 2015-09-10 Bpw Bergische Achsen Kg Verbindung zwischen Bremstrommel oder -scheibe und einer Fahrzeug-Radnabe sowie Bremstrommel oder -scheibe
DE102008056743A1 (de) * 2008-11-11 2010-05-20 Ks Aluminium-Technologie Gmbh Verfahren zur Beschichtung von für den Umguss mit einer Leichtmetalllegierung vorgesehenen Eingussteilen
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Publication number Priority date Publication date Assignee Title
US2978073A (en) * 1957-04-01 1961-04-04 Chicago Railway Equipment Co Bimetal brake drum
GB866880A (en) * 1958-12-29 1961-05-03 Kelsey Hayes Co Improvements in or relating to brake drums and method of making same
DE19723036B4 (de) 1996-06-13 2007-04-12 Volkswagen Ag Bremstrommel
US20060027429A1 (en) * 2004-08-04 2006-02-09 Donn Knight Composite brake drum
DE102010055162A1 (de) 2010-12-18 2012-06-21 Mahle International Gmbh Beschichtung sowie beschichtetes Eingussbauteil
DE102011054484A1 (de) * 2011-10-14 2013-04-18 Ks Aluminium-Technologie Gmbh Bremstrommel sowie Verfahren zur Herstellung einer derartigen Bremstrommel

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US20200132145A1 (en) 2020-04-30
US11149812B2 (en) 2021-10-19
RU2729842C1 (ru) 2020-08-12
CN110637172B (zh) 2021-02-02
DE102017109059A1 (de) 2018-10-31
MX2019012190A (es) 2020-02-13
CN110637172A (zh) 2019-12-31
EP3615832B1 (fr) 2021-06-02
EP3615832A1 (fr) 2020-03-04

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